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2690880456 = 2331110192729
BaseRepresentation
bin1010000001100011…
…1001001111001000
320221112100220001010
42200120321033020
521002331133311
61123002523520
7123453051345
oct24030711710
96845326033
102690880456
111160a28350
126312065a0
1333b642874
141b753b7cc
1510b382da6
hexa06393c8

2690880456 has 32 divisors (see below), whose sum is σ = 7338765600. Its totient is φ = 815418240.

The previous prime is 2690880443. The next prime is 2690880487. The reversal of 2690880456 is 6540880962.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5096101 + ... + 5096628.

It is an arithmetic number, because the mean of its divisors is an integer number (229336425).

Almost surely, 22690880456 is an apocalyptic number.

It is an amenable number.

2690880456 is an abundant number, since it is smaller than the sum of its proper divisors (4647885144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2690880456 is a wasteful number, since it uses less digits than its factorization.

2690880456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192749 (or 10192745 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 2690880456 is about 51873.6971499044. The cubic root of 2690880456 is about 1390.9071345151.

The spelling of 2690880456 in words is "two billion, six hundred ninety million, eight hundred eighty thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 10192729 20385458 30578187 40770916 61156374 81541832 112120019 122312748 224240038 244625496 336360057 448480076 672720114 896960152 1345440228 2690880456